CN208045874U - Receptacle Connectors and Connector Assemblies - Google Patents

Abstract

A kind of socket connector is provided, suitable for being connected so that cable to be connected on circuit board with pin connector, including：Lid is suitable for covering the circuit board, and forms the first accommodating chamber in the inner, and first accommodating chamber has opening；First shell is contained in first accommodating chamber and includes the cylindrical portion stretched out at least partly from the opening, the second accommodating chamber is formed in the first shell；At least one first conducting terminal is contained in second accommodating chamber and one end is adapted to weld on the circuit board；And ring type seal, the ring type seal is socketed on the peripheral surface of the first shell and is arranged to be compressed between the lid and the first shell, with the sealing being formed between the opening of the lid and the first shell.Socket connector provided by the utility model, can realize to remain on when being not connected to pin connector can realize waterproof.

Description

Receptacle Connectors and Connector Assemblies

technical field

The utility model relates to a socket connector and a connector assembly, in particular to a socket connector and a connector assembly for electrically connecting a cable to a circuit board.

Background technique

For the wire-to-board connector assembly that electrically connects the cable to the circuit board, it generally includes a plug connector connected to the cable and a receptacle connector connected to the circuit board, by connecting the plug connector to the receptacle connector, Makes the electrical connection of the cable to the circuit board.

For wire-to-board connectors, when the plug connector is not connected, the connection interface of the socket connector is exposed. Water easily enters the conductive terminal of the socket connector and the solder joint of the circuit board, resulting in failure of the electrical connection. Therefore, existing wire-to-board connectors are not waterproof until the plug connector is connected to the receptacle connector. However, in practical applications, when the plug connector does not need to be connected to the socket connector, the socket connector is also required to be waterproof, so as to better protect the connector and the electronic device.

Utility model content

The embodiment of the utility model provides a socket connector, which can realize waterproof even when it is not connected to the plug connector.

According to an embodiment of an aspect of the present invention, there is provided a socket connector suitable for connecting with a plug connector to connect a cable to a circuit board, comprising:

a cover, adapted to cover the circuit board, and form a first accommodation cavity therein, and the first accommodation cavity has an opening;

a first housing, accommodated in the first housing chamber and including a cylindrical portion at least partially protruding from the opening, a second housing chamber is formed in the first housing;

at least one first conductive terminal accommodated in the second receiving cavity and one end of which is adapted to be soldered to the circuit board; and

an annular sealing ring sleeved on the outer peripheral surface of the first housing and arranged to be compressed between the cover and the first housing to form a gap between the opening of the cover and the first housing. The seal between the first shells.

According to an exemplary embodiment of the present invention, the socket connector further includes:

a first insulating body installed in the second accommodation chamber of the first housing;

Wherein, the at least one first conductive terminal is installed in the first insulating body and the upper and lower ends of the first conductive terminal protrude from the first insulating body respectively, wherein the lower end of the first conductive terminal suitable for soldering to the circuit board.

According to an exemplary embodiment of the present invention, the socket connector includes a gasket, which is arranged between the bottom of the first insulating body and the first housing, and the lower ends of the first conductive terminals pass through protrudes through the gasket.

According to an exemplary embodiment of the present utility model, at least one first connecting guide portion is formed on the outer peripheral surface of the end of the cylindrical part of the first housing protruding from the opening, each of the first The connection guide portion is configured to cooperate with the corresponding second connection guide portion of the plug connector to guide the connection of the plug connector to the receptacle connector.

According to an exemplary embodiment of the present invention, the first connecting guide part is formed as a groove opened at one end of the cylindrical part and extending helically around the outer peripheral surface, and the second connecting guide part is a protrusion formed on the plug connector adapted to be guided in said groove.

According to an exemplary embodiment of the present utility model, there are a plurality of first connecting guide parts, and they are arranged to be evenly spaced apart in the circumferential direction.

According to an exemplary embodiment of the present invention, the socket connector further includes:

At least one auxiliary pin is installed in the first insulating body and adapted to electrically connect the first housing to the circuit board to ground the first housing.

According to an exemplary embodiment of the present invention, the first insulating body includes:

A first cylindrical part and a second cylindrical part, a stepped surface abutting against the first casing is formed between the first cylindrical part and the second cylindrical part, wherein the second cylindrical part is formed with a at least one positioning slot respectively corresponding to the at least one auxiliary pin, and the auxiliary pin is positioned in the corresponding positioning slot.

According to an exemplary embodiment of the present invention, the auxiliary pin includes: a first main body extending along the axial direction of the socket connector; a flat foot extending from the first main body along a direction perpendicular to The axial direction extends in the radial direction and is suitable for being welded to the circuit board; and the head protrudes outward from the other end of the first body part away from the foot part; wherein, the A positioning shoulder is formed in the positioning groove, the head is configured to abut against the positioning shoulder to position the auxiliary pin, and the head is in contact with the first housing.

According to an exemplary embodiment of the present invention, at least one annular protrusion is provided on two opposite side surfaces of the annular sealing ring.

According to an exemplary embodiment of the present invention, the first conductive terminal includes a rod-shaped body and an annular protrusion formed on the rod-shaped body, and the annular protrusion is adapted to abut against the first insulating body to define the insertion position of the first conductive terminal in the first insulating body.

According to an exemplary embodiment of another aspect of the present utility model, a connector assembly is provided for connecting a cable to a circuit board, including: a socket connector and a plug connector according to the above exemplary embodiment, One end thereof is adapted to be connected to a cable and the other end is adapted to be connected to the socket connector for connection of the cable to the circuit board.

According to an exemplary embodiment of the present invention, the plug connector includes: a second housing; a second insulating body that is relatively rotatably installed in the second housing; and a second conductive terminal that accommodates In the second insulating body, one end of the second conductive terminal is adapted to be electrically connected to the cable, and the other end is adapted to be electrically connected to the first conductive terminal of the socket connector.

According to an exemplary embodiment of the present invention, at least one second connection guide part is formed on the inner wall of the second housing, and the second connection guide part is connected with the first shell formed on the socket connector. The corresponding first connecting guide portion on the body cooperates to guide the connection of the plug connector to the receptacle connector.

According to an exemplary embodiment of the present invention, the second insulating body includes:

a third cylindrical portion; a fourth cylindrical portion adapted to be inserted into the first housing when the plug connector is connected to the receptacle connector; and disposed between the third cylindrical portion and the fourth cylindrical portion A connecting part between the cylindrical parts, the connecting part is configured to be connected to the second housing; wherein, the plug connector further includes a sealing ring, and the sealing ring is tightly sleeved on the fourth cylinder part and abuts against the connecting part to be compressed between the inner wall of the first housing and the outer peripheral surface of the fourth cylindrical part when the plug connector is connected to the receptacle connector between.

According to an exemplary embodiment of the present invention, an annular connection groove is formed on the outer peripheral surface of the connecting part; at least two elastic springs protruding radially inward are formed on the inner wall of one end of the second housing. claws, the ends of the elastic claws snap into the connection grooves, so as to connect the second insulating body to the second housing and allow the second insulating body to move relative to the first Two shells rotate.

According to an exemplary embodiment of the present invention, the second conductive terminal includes:

a rod-shaped portion; a wire clamping portion extending from the rod-shaped portion, adapted to clamp the wire of the cable; and a cable clamping portion extending from the wire clamping portion, adapted to be clamped on the on the outer covering of the cable.

According to an exemplary embodiment of the present utility model, the plug connector further includes:

a seal, the seal is tightly embedded in a recess formed at one end of the second insulating body, at least one through hole corresponding to the second conductive terminal is formed in the seal, the wire clip Both the holding portion and the cable clamping portion are accommodated in the through hole.

According to an exemplary embodiment of the present invention, at least one annular protrusion is formed on the outer peripheral surface of the sealing member, and the annular protrusion abuts against the inner wall of the recess.

According to an exemplary embodiment of the present invention, the second conductive terminal further includes:

a limiting portion extending obliquely outward from the outer peripheral surface of the rod-shaped portion toward the direction of the cable, the limiting portion is adapted to be combined with a matching limiting portion formed in the second insulating body, In order to prevent the withdrawal of the second conductive terminal after the second conductive terminal is inserted into the second insulating body.

According to an exemplary embodiment of the present invention, at least one through hole corresponding to the second conductive terminal is formed in the second insulating body, and the lower end of the second conductive terminal is connected to the first conductive terminal. The upper end of the through hole contacts to realize electrical connection.

According to an exemplary embodiment of the present invention, the plug connector is formed as a coaxial connector.

Description of drawings

The utility model will be further described in detail with reference to the accompanying drawings, wherein:

FIG. 1 is a schematic perspective view showing a connector assembly according to an exemplary embodiment of the present invention;

FIG. 2 is an exploded perspective view showing the connector assembly shown in FIG. 1;

Figure 3 is a front view showing the connector assembly shown in Figure 1;

Fig. 4 is a sectional view showing the connector assembly in Fig. 3 along the line L-L;

Fig. 5 is a schematic perspective view showing a socket connector according to an exemplary embodiment of the present invention;

FIG. 6 is a partial view showing a front view of the receptacle connector shown in FIG. 5;

7 is a partial view showing a top view of the receptacle connector shown in FIG. 6;

Fig. 8 is a left side view showing the socket connector shown in Fig. 5;

FIG. 9 is a schematic perspective view showing a cover of the socket connector shown in FIG. 5;

Fig. 10 is a schematic perspective view showing the first housing of the receptacle connector shown in Fig. 5, in which conductive terminals are accommodated;

Fig. 11 is a front view showing the first housing shown in Fig. 10;

FIG. 12 is a schematic perspective view showing the insulating body of the socket connector shown in FIG. 5;

Fig. 13 is a schematic perspective view showing an annular sealing ring of the receptacle connector shown in Fig. 5;

FIG. 14 is a schematic perspective view showing conductive terminals of the socket connector shown in FIG. 5;

Fig. 15 is a schematic perspective view showing auxiliary pins of the receptacle connector shown in Fig. 5;

Fig. 16 is a schematic perspective view showing a plug connector according to an exemplary embodiment of the present invention;

Figure 17 is a front view showing the plug connector shown in Figure 16;

Fig. 18 is a bottom view showing the plug connector shown in Fig. 17;

Fig. 19 is a schematic perspective view showing a second housing of a plug connector according to an exemplary embodiment;

Fig. 20 is an exploded perspective view showing a seal, a conductive terminal and an insulating body in a plug connector according to an exemplary embodiment;

Fig. 21 is a schematic perspective view illustrating a seal of a plug connector according to an exemplary embodiment;

Fig. 22 is a schematic perspective view showing conductive terminals of a plug connector according to an exemplary embodiment;

Fig. 23 is a front view showing the conductive terminal shown in Fig. 22;

Fig. 24 is a schematic perspective view illustrating an insulating body of a plug connector according to an exemplary embodiment; and

FIG. 25 is a front view showing the insulating body shown in FIG. 24 .

Detailed ways

Although the utility model will be fully described with reference to the accompanying drawings that contain preferred embodiments of the utility model, it should be understood that those of ordinary skill in the art can modify the utility model described herein while obtaining the advantages of the utility model. technical effect. Therefore, it should be understood that the above description is a broad disclosure for those skilled in the art, and its content is not intended to limit the exemplary embodiments described in the present invention.

According to the general utility concept of the present invention, there is provided a socket connector suitable for connecting with a plug connector to connect a cable to a circuit board. The receptacle connector includes: a cover adapted to cover the circuit board and forming a first accommodating cavity therein, the first accommodating cavity having an opening; a first housing formed as a cylinder Shaped, accommodated in the first housing cavity and at least partially protruded from the opening, a second housing cavity is formed in the first housing; at least one first conductive terminal, accommodated in the second and one end thereof is adapted to be welded to the circuit board; and an annular sealing ring, the annular sealing ring is tightly sleeved on the outer peripheral surface of the first housing and arranged to be compressed on the cover and between the first housing to form a seal between the opening of the cover and the first housing.

Fig. 1 is a perspective view showing a connector assembly according to an exemplary embodiment of the present invention; Fig. 2 is a perspective exploded view showing the connector assembly shown in Fig. 1; Fig. 3 is a schematic view showing the connector assembly shown in Fig. 1 4 is a sectional view showing the connector assembly in FIG. 3 along the line L-L.

According to an exemplary embodiment of the present invention, a connector assembly is provided, which includes a socket connector 100 and a plug connector 200, wherein the socket connector 100 is suitable for being electrically connected to the circuit board, The plug connector 200 is suitable for connecting the cable 30 for connecting the cable 30 to the circuit board 10 .

According to an exemplary embodiment of the present invention, as shown in FIGS. 2 and 4 , the socket connector 100 is suitable for connecting with the plug connector 200 to connect the cable 30 to the circuit board 10 . The socket connector 100 mainly includes: a cover 1 , a first housing 2 , at least one first conductive terminal 4 and an annular sealing ring 5 . The cover 1 is adapted to cover the circuit board 10 and forms a first accommodating cavity 13 therein, and the first accommodating cavity has an opening 14 . The first housing 2 is accommodated in the first housing chamber 13 and includes a cylindrical portion 22 protruding at least partially from the opening 14, and a second housing chamber is formed in the first housing 2 twenty one. The at least one first conductive terminal 4 is accommodated in the second accommodating cavity 21 and one end thereof is suitable for being soldered to the circuit board. The annular sealing ring 5 is tightly sleeved on the outer peripheral surface of the first casing 2 and arranged to be compressed between the cover 1 and the first casing 2 to form a The seal between the opening 14 and the first housing 2 .

According to this exemplary embodiment, the annular sealing ring 5 is arranged between the cover 1 and the first casing 2 and is tightly sleeved on the outer peripheral surface of the first casing 2, so as to prevent water from The opening 14 of the cover 1 enters into the inside of the cover, thereby preventing water from entering the circuit board 10 from the opening 14 of the cover.

The cover 1 and the first housing 2 shown in the accompanying drawings 1-4 are all formed in a stepped shape to facilitate positioning, but the utility model is not limited thereto, and those skilled in the art can understand that it can also be other structures, as long as it can Just realize the corresponding function.

According to an exemplary embodiment, the first housing 2 therein can be made of alloy material, which is convenient for connection with the corresponding structure of the plug connector 200 , and has high strength, impact resistance, and resistance to plugging and unplugging.

According to another exemplary embodiment, as shown in FIGS. cavity 21. At least one first conductive terminal 4 is installed in the first insulating body 3 and the upper and lower ends of the first conductive terminal 4 protrude from the first insulating body 3 respectively, wherein the first conductive terminal 4 The lower end is suitable for soldering to said circuit board 10 .

According to another exemplary embodiment, as shown in FIGS. 2 and 4 , the socket connector further includes a gasket 6 between the bottom of the first insulating body 3 and the first housing 2 , The lower end of the first conductive terminal 4 protrudes through the sealing gasket 6 . According to an exemplary embodiment, the sealing gasket 6 can be formed by a potting process, a part of the first conductive terminal 4 is potted in a potting body and its lower end protrudes from the potting body.

According to this exemplary embodiment, a waterproof sealing gasket 6 is formed inside the first housing 2 , thereby preventing water that may enter from the opening of the second housing 2 from entering the circuit board 10 .

According to the above exemplary embodiments, by providing the annular sealing ring 5 and/or the sealing gasket 6 , it is effectively ensured that the socket connector 100 can achieve a good waterproof effect even when it is not connected with the plug connector 200 .

According to an exemplary embodiment, at least one first connecting guide portion 221 is formed on the outer peripheral surface of the end protruding from the opening of the cylindrical portion 22 of the first housing 2 , corresponding to the corresponding first connecting guide portion 221 of the plug connector 200 . The two connection guides cooperate to guide the connection between the plug connector 200 and the receptacle connector 100 .

According to an exemplary embodiment, as shown in FIGS. 5-15 , the first connecting guide portion 221 is formed as a groove opened at one end of the cylindrical portion 22 and extending helically around the outer peripheral surface, so The second connecting guide portion is a protrusion formed on the plug connector 200 and adapted to be guided in the groove.

By way of this example, the helically extending groove guides the screwing of the plug connector onto the socket connector. However, those skilled in the art can understand that the present invention is not limited thereto, and grooves can be formed on the plug connector, and corresponding protrusions can be formed on the socket connector. Moreover, the first and second connection guide parts can also be other matching guide mechanisms.

According to an exemplary embodiment, there are multiple first connecting guides 221, and they are arranged to be evenly spaced apart in the circumferential direction. There are two connecting guide parts 221 , but the present invention is not limited thereto, and the number can be selected arbitrarily.

According to an exemplary embodiment, as shown in FIGS. 1, 4, and 15, at least one auxiliary pin 7 is installed in the first insulating body 3 and is suitable for electrically connecting the first shell 2 to the The circuit board 10 is connected to the ground of the first casing 2 .

According to an exemplary embodiment, as shown in FIGS. 1, 4, 11, 12, and 15, the first insulating body 3 includes a first cylindrical portion 31 and a second cylindrical portion 32, and the first cylindrical portion 31 and A stepped surface 33 abutting against the first casing 2 is formed between the second cylindrical parts 32, wherein at least one corresponding to the at least one auxiliary pin 7 is formed in the second cylindrical part 32. A positioning slot 34 , the auxiliary pin 7 is positioned in the corresponding positioning slot 34 .

According to an exemplary embodiment, as shown in FIGS. 1, 4, 11, 12, and 15, the auxiliary pin 7 includes: a first main body portion 71 extending along a first direction; a flat foot 72 extending along a second direction perpendicular to the first direction and adapted to be soldered to the circuit board 10; A head 73 extending in a direction perpendicular to the first direction and the second direction. A positioning shoulder 341 is formed in the positioning slot 34, the head 73 is configured to abut against the positioning shoulder 341 to position the auxiliary pin 7, and its upper end is in contact with the second housing 2 . According to this exemplary embodiment, the second housing 2 can be grounded by connecting the first housing 2 to the circuit board through the auxiliary pin 7 .

According to an exemplary embodiment, as shown in FIGS. 2 and 4 , at least one annular protrusion 51 is provided on two opposite side surfaces of the annular sealing ring 5 . According to this embodiment, the protrusion 51 provides a better sealing performance when the annular sealing ring 5 is compressed between the cover 1 and the first housing 2, preventing water from passing through the cover and the first housing. 2 into the inside of the cover.

According to an exemplary embodiment, as shown in FIG. 14 , the first conductive terminal 4 includes a rod-shaped main body 41 and an annular protrusion 42 formed on the rod-shaped main body 41, and the annular protrusion 42 is adapted to abut against The bottom of the first insulating body 3 is used to define the insertion position of the first conductive terminal 4 in the first insulating body 3 .

According to an exemplary embodiment, as shown in FIGS. 1-4, 16-25, a connector assembly is also provided for connecting the cable 30 to the circuit board 10, which includes a socket connector 100 and a plug connector 200, one end of the plug connector 200 is adapted to be connected to the cable 30, and the other end is adapted to be connected to the socket connector 100, so as to realize the connection of the cable to the circuit board.

According to an exemplary embodiment, as shown in FIGS. 1-4, the plug connector mainly includes a second housing 201, a second insulating body 202 fixed to the second housing 201, and a second conductive terminal. 203. The second conductive terminal 203 is accommodated in the second insulating body 202, one end of the second conductive terminal 203 is suitable for electrical connection with the cable, and the other end is suitable for connecting with the first conductive terminal of the socket connector 100. Terminal 4 is electrically connected.

According to an exemplary embodiment, as shown in FIGS. 1-4, 16, 18, and 19, at least one second connection guide portion 2011 is formed on the inner wall of the second housing 201, and the second connection guide portion 2011 cooperates with the corresponding first connecting guide portion 221 formed on the first shell 2 of the socket connector 100 to guide the connection of the plug connector 200 to the socket connector 100 .

According to an exemplary embodiment, as shown in FIGS. 1-4, 16, 18, 19, 24, and 25, the second insulating body 202 includes: a third cylindrical portion 2022; a fourth cylindrical portion 2023, suitable for The plug connector 200 is inserted into the first housing 2 when connected to the receptacle connector 100 ; , the connecting portion 2024 is configured to be connected to the second housing 201; the plug connector 200 further includes a sealing ring 204, and the sealing ring 204 is tightly fitted on the outer periphery of the fourth cylindrical portion 2023 Face and abut against the connecting portion 2024 so as to be compressed on the inner wall of the first housing 2 and the outer periphery of the fourth cylindrical portion 2023 when the plug connector 200 is connected to the socket connector 100 between faces.

With this embodiment, after the plug connector 200 is connected to the receptacle connector 100, the possibility that water that may enter from the opening of the second housing 201 of the plug connector 200 enters into the receptacle connector is further reduced.

According to an exemplary embodiment, at least one through hole 2021 corresponding to the second conductive terminal 203 is formed in the second insulating body 202, and the lower end of the second conductive terminal 203 is connected to the first The upper ends of the conductive terminals 4 are in contact with the through holes 2021 to realize electrical connection.

According to an exemplary embodiment, as shown in FIGS. 1-4 , 16 , 18 and 19 , an annular connection groove 20241 is formed on the outer peripheral surface of the connection portion 2024 . At least two elastic claws 2012 are formed on the inner wall of one end of the second housing 20l, and the ends 2013 of the elastic claws 2012 are snapped into the connecting groove 20241 to connect the second insulating The body 202 is connected to the second housing 201 .

In this embodiment, the second housing 201 can rotate relative to the second insulating body 202 by snapping the elastic claw 2012 into the annular connection groove 20241 , while the connector The axial direction of (or the insertion direction of the second conductive terminal 203, which is shown as the up and down direction in FIGS. 1-4 ) cannot move relative to each other. Thus, when the plug connector 200 is connected to the receptacle connector 100, at least one second connection guide portion 2011 (in the embodiment shown in the figure) on the inner wall of the second housing 201 shown as a protrusion) and the first connecting guide portion 221 formed on the outer peripheral surface of the first housing 2 of the receptacle connector 100 (in the embodiment shown in the figure, it is shown as being on the first housing 2, which is open at the upper end and extends spirally around the outer peripheral surface of the first housing 2) to match the second housing 201 of the plug connector 200 to be rotatably screwed into the first housing 2 At the same time, the second insulating body 202 is driven downward to be inserted into the second housing 2, and at the same time, the upper end of the first conductive terminal 4 extends into the second insulating body 202 to realize electrical connection with the second conductive terminal 203. touch.

According to an exemplary embodiment, as shown in FIGS. 20, 22, and 23, the second conductive terminal 203 includes a rod-shaped portion 2031; a wire clamping portion 2032 extending from the rod-shaped portion 2031 is suitable for clamping The wires of the cable; and the cable clamping portion 2033 extending from the wire clamping portion 2032 are adapted to be clamped on the outer covering layer of the cable.

As an exemplary embodiment, both the wire clamping part 2032 and the cable clamping part 2033 can clamp the wire of the cable or the outer covering layer of the cable in a crimping manner.

As an exemplary embodiment, the plug connector 200 further includes a seal 205 tightly embedded in a recess 2025 formed at one end of the third cylindrical portion 2022, the seal 205 At least one through hole 2052 corresponding to the second conductive terminal 203 is formed therein, and the wire clamping portion 2032 and the cable clamping portion 2033 are both accommodated in the through hole 2052 .

According to this embodiment, as shown in FIGS. 1-4, 16, and 17, since the sealing member 205 accommodates the wire clamping portion 2032 and the cable clamping portion 2033 of the second conductive terminal 203 in its through hole 2052 Therefore, only the outer covering layer of the cable 30 is exposed outside the ring seal 205, thereby achieving better sealing and waterproofing for the plug connector 200, preventing water from entering the connector from the cable joint.

According to an exemplary embodiment, as shown in FIGS. 1-4 , 20 , and 21 , at least one annular protrusion 2051 is formed on the outer peripheral surface of the sealing member 205 , and the annular protrusion 2051 abuts against the inner wall of the recess 2025 . This structure further improves the waterproof performance of the plug connector 200 .

According to an exemplary embodiment, as shown in FIGS. 22 and 23 , the second conductive terminal 203 further includes a limiting portion 2034 , and the limiting portion 2034 faces obliquely outward from the outer peripheral surface of the rod-shaped portion 2031 The direction of the cable extends, and the limiting portion 2034 is adapted to be combined with a matching limiting portion (not shown) formed in the second insulating body 202 to be inserted into the second conductive terminal 203 The second insulating body 202 prevents the second conductive terminal 203 from withdrawing.

The structures of the first conductive terminal and the second conductive terminal are described above as examples, and those skilled in the art can understand that conductive terminals with other structures can also be used.

According to the receptacle connector described in the above-mentioned various embodiments of the utility model, since the annular sealing ring 5 is arranged between the cover 1 and the first housing 2 and is tightly socketed in the first housing 2 on the outer peripheral surface of the cover 1, thereby preventing water from entering the inside of the cover from the opening 14 of the cover, thereby preventing water from entering the circuit board 10 from the opening 14 of the cover; and, in the first housing 2 and the first insulation A waterproof seal 6 is formed between the bodies 3 , so as to prevent water that may enter from the opening of the second housing 2 from entering the circuit board 10 . Therefore, the above-mentioned receptacle connector can realize good waterproof performance even when it is not connected with the plug connector. Furthermore, according to the plug connectors described in the above various embodiments of the present utility model, since the sealing member 205 seals the joints of the cables, good waterproof performance is achieved. Therefore, according to the above-mentioned embodiments, a connector assembly composed of a plug connector and a receptacle connector with excellent waterproof performance is also provided.

Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can improve them, and the structures described in various embodiments do not conflict with each other in terms of structure or principle Under the circumstances, free combination can be carried out, so as to realize more kinds of socket connectors, plug connectors and connector assemblies on the basis of solving the technical problems of the utility model.

After describing the preferred embodiments of the present utility model in detail, those skilled in the art can clearly understand that various changes and changes can be made without departing from the scope and spirit of the appended claims, and the utility model also Implementation is not limited to the exemplary embodiments set forth in the specification.

Claims (22)

1. A receptacle connector adapted to be connected with a plug connector (200) to connect a cable to a circuit board, comprising: A cover (1), adapted to cover the circuit board (10), and forming a first accommodating cavity (13) therein, the first accommodating cavity having an opening (14); The first housing (2), accommodated in the first housing cavity (13) and includes a cylindrical portion (22) at least partially protruding from the opening (14), in the first housing ( 2) A second accommodating chamber (21) is formed in it; at least one first conductive terminal (4), accommodated in the second accommodating cavity (21) and one end of which is suitable for soldering to the circuit board; and an annular sealing ring (5), the annular sealing ring (5) is sleeved on the outer peripheral surface of the first casing (2) and arranged to be compressed between the cover (1) and the first casing (2) to form a seal between the opening (14) of the cover (1) and the first housing (2). 2. The socket connector according to claim 1, further comprising: A first insulating body (3), installed in the second accommodation cavity (21) of the first housing (2); Wherein, the at least one first conductive terminal (4) is installed in the first insulating body (3) and the upper and lower ends of the first conductive terminal (4) are separated from the first insulating body (3) respectively. protruding, wherein the lower end of the first conductive terminal is suitable for soldering to the circuit board. 3. The socket connector according to claim 2, further comprising: a gasket (6) disposed between the bottom of the first insulating body (3) and the first shell (2) Between, the lower end of the first conductive terminal (4) protrudes through the gasket (6). 4. The socket connector according to claim 1, characterized in that at least one first A connection guide (221), each of the first connection guides (221) is configured to cooperate with the corresponding second connection guide of the plug connector (200), so as to guide the plug connector (200) and The socket connector (100) is connected. 5. The socket connector according to claim 4, characterized in that, the first connecting guide portion (221) is formed to open at one end of the cylindrical portion (22) and extend helically around the outer peripheral surface The second connecting guide part is a protrusion formed on the plug connector (200) and suitable for being guided in the groove. 6. The receptacle connector according to claim 4 or 5, characterized in that there are multiple first connecting guide parts (221 ), which are evenly spaced apart in the circumferential direction. 7. The socket connector according to claim 2, characterized in that, the socket connector (100) further comprises: at least one auxiliary pin (7), installed in the first insulating body (3), and adapted to electrically connect the first housing (2) to the circuit board (10) to connect the The first casing (2) is grounded. 8. The socket connector according to claim 7, characterized in that, the first insulating body (3) comprises: The first cylindrical part (31) and The second cylindrical part (32), a stepped surface (33) abutting against the first casing (2) is formed between the first cylindrical part (31) and the second cylindrical part (32), Wherein, at least one positioning groove (34) corresponding to the at least one auxiliary pin (7) is formed in the second cylindrical part (32), and the auxiliary pin (7) is positioned in the corresponding positioning groove (34). 9. The socket connector according to claim 8, characterized in that, the auxiliary pin (7) comprises: The first main body part (71) extends along the axial direction of the socket connector; a flat foot portion (72) extending from said first body portion (71) in a radial direction perpendicular to the axial direction and adapted to be soldered to said circuit board; and a head (73), the head (73) protruding outward from the other end of the first main body (71) away from the foot (72); Wherein, a positioning shoulder (341) is formed in the positioning groove (34), and the head (73) is configured to abut against the positioning shoulder (341), so that the auxiliary pin (7) positioned, and the head (73) is in contact with the first shell (2). 10. The receptacle connector according to claim 1, characterized in that, At least one annular protrusion (51) is provided on two opposite side surfaces of the annular sealing ring (5). 11. The receptacle connector according to claim 2, characterized in that, Wherein, the first conductive terminal (4) includes a rod-shaped main body (41) and an annular protrusion (42) formed on the rod-shaped main body (41), and the annular protrusion (42) is suitable for abutting against the The bottom of the first insulating body (3) to define the insertion position of the first conductive terminal (4) in the first insulating body (3). 12. A connector assembly for connecting a cable to a circuit board, comprising: The receptacle connector (100) according to any one of claims 1-11; and A plug connector (200), one end of which is adapted to be connected to a cable, and the other end is adapted to be connected to the socket connector (100), so as to realize the connection of the cable to the circuit board. 13. The connector assembly according to claim 12, wherein the plug connector comprises: the second housing (201); The second insulating body (202) is relatively rotatably installed in the second housing (201); and The second conductive terminal (203), accommodated in the second insulating body (202), one end of the second conductive terminal (203) is suitable for electrical connection with the cable, and the other end is suitable for connecting with the socket The first conductive terminals (4) of the connector (100) are electrically connected. 14. The connector assembly according to claim 13, wherein at least one second connection guide portion (2011) is formed on the inner wall of the second housing (201), and the second connection guide portion (2011) Cooperate with the corresponding first connection guide part (221) formed on the first housing (2) of the socket connector (100) to guide the connection of the plug connector (200) to the socket connector ( 100) on. 15. The connector assembly according to claim 13, wherein the second insulating body (202) comprises: third cylindrical part (2022); a fourth cylindrical portion (2023) adapted to be inserted into said first housing (2) when said plug connector (200) is connected to said receptacle connector (100); and A connecting part (2024) provided between the third cylindrical part (2022) and the fourth cylindrical part (2023), the connecting part (2024) is configured to be connected to the second casing (201 )superior; Wherein, the plug connector (200) further includes a sealing ring (204), and the sealing ring (204) is tightly sleeved on the outer peripheral surface of the fourth cylindrical part (2023) and abuts against the connecting part ( 2024), so as to be compressed on the inner wall of the first housing (2) and the outer periphery of the fourth cylindrical portion (2023) when the plug connector (200) is connected to the socket connector (100) between faces. 16. The connector assembly according to claim 15, wherein an annular connection groove (20241) is formed on the outer peripheral surface of the connection part (2024); At least two elastic claws (2012) protruding radially inward are formed on the inner wall of one end of the second housing (201), and the ends (2013) of the elastic claws (2012) snap into the In the connection groove (20241), to connect the second insulating body (202) to the second housing (201) and allow the second insulating body (202) to be relatively relative to the second housing ( 201) Spin. 17. The connector assembly according to claim 13, wherein the second conductive terminal (203) comprises: rod (2031); a wire clamping portion (2032) extending from the rod-shaped portion (2031), adapted to clamp the wire of the cable; and The cable clamping part (2033) extending from the wire clamping part (2032) is adapted to be clamped on the outer covering layer of the cable. 18. The connector assembly according to claim 17, wherein the plug connector (200) further comprises: A seal (205), the seal (205) is tightly embedded in the recess (2025) formed at one end of the second insulating body, and the seal (205) is formed with the second conductive The terminal (203) corresponds to at least one through hole (2052), and the wire clamping part (2032) and the cable clamping part (2033) are both accommodated in the through hole (2052). 19. The connector assembly according to claim 18, wherein at least one annular protrusion (2051) is formed on the outer peripheral surface of the seal (205), and the annular protrusion (2051) abuts against the recess (2025) ) of the inner wall. 20. The connector assembly according to claim 17, the second conductive terminal (203) further comprising: The limiting portion (2034) extends obliquely outwards from the outer peripheral surface of the rod-shaped portion (2031) toward the direction of the cable, and the limiting portion (2034) is adapted to be formed on the second insulating body The matching limiting parts in (202) are combined to prevent the withdrawal of the second conductive terminal (203) after the second conductive terminal (203) is inserted into the second insulating body (202). 21. The connector assembly according to claim 13, wherein at least one through hole (2021) corresponding to the second conductive terminal (203) is formed in the second insulating body (202), and the first The lower end of the second conductive terminal (203) is in contact with the upper end of the first conductive terminal (4) in the through hole (2021) to realize electrical connection. 22. The connector assembly of claim 17, wherein the plug connector is formed as a coaxial connector.